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Tampines · HDB · S521231

Blk 231 Tampines St 21

Completed 1984 · 4 storeys · 32 flats · 57 years 09 months remaining · 9 resale transactions on record · median household income in Tampines: $9,500/mo

3 room
$425,000
1 sold · $425,000$425,000
$589 psf
4 room
$565,944
2 sold · $553,888$578,000
$572 psf
Vs Tampines
-6.5%
block PSF vs town median · last sale May 2026
3D →
Tampines St 21, Tampines · 1 km P1 ring · mrt · school · food · park · mall · health · zones: parks, commercial, reserve - hover
Flat mix · 32 homes
3-room
16 · 50%
4-room
16 · 50%

4 storeys · completed 1984

What the record shows

The lease cliff

This block crossed 60 years remaining in 2024 - the line where CPF usage rules tighten for buyers. In Tampines over the last two years, flats below that line sold at a median 12% below their younger neighbours' PSF (1,235 sales).

The supply wave

Across Tampines, roughly 1,481 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.

Price trend

median PSF by year · ━ this block · ╌ Tampines · gaps = years with no sales here

$386$513$639201720182020202220242026

Every recent sale HDB official record, latest 9

MonthTypeStoreyArea (sqm)PricePSFLease left
May 20264 ROOM01 to 0393$553,888$55357y 09m
Sept 20243 ROOM01 to 0367$425,000$58959y 05m
Sept 20244 ROOM04 to 0691$578,000$59059y 05m
Jan 20234 ROOM01 to 0391$492,000$50261y 01m
Oct 20223 ROOM04 to 0667$395,000$54861y 04m
Dec 20214 ROOM01 to 0391$423,000$43262y 02m
Jun 20184 ROOM01 to 0393$365,000$36565y 08m
Jun 20183 ROOM01 to 0367$311,000$43165y 08m
Jul 20173 ROOM04 to 0667$348,000$48366y 06m

Who lives in Tampines

Census of Population 2020 · planning-area aggregates · SingStat via data.gov.sg

Residents
259,900
Median age
41 yrs
48% under 40 · getting older
Children 0–9
23,220
▼ 1% since 2015 · future P1 demand
Household size
3.3 avg
Homes
87% HDB
11% condo · 2% landed
Degree holders
28%
residents 15+
Commute
59% transit
18% drive
45 min+ to work
28%

The neighbourhood

What sits around this address - distances computed from official OneMap and LTA records.

MRT
Tampines East DT33 · 663m - weekday mornings, riders head to Expo, Telok Ayer, Downtown (LTA)
P1 ring
Gongshang Primary School 129m · Phase 2C 2.7× balloted · Commit Learning Schoolhouse @ Gongshang Primary School 129m · Tampines North Primary School 504m · Phase 2C 0.3× · Big Heart Student Care (Tampines North Primary School) 504m - inside the 1km priority ring; Phase 2C demand is last year’s applicants ÷ vacancies (MOE)
Secondary
Pasir Ris Secondary School · 191m
Food
Hawker Centre @ Our Tampines Hub · 1.0km
Green
Sun Plaza Pk · 695m - 2 parks within 1km
Mall
Tampines Mall · 622m
Health
Singhealth Polyclinics (Tampines Polyclinic) (polyclinic) · 389m

The neighbourhood, photographed

freely-licensed photographs taken within ~450 m · Wikimedia Commons

Tampines Station Downtown Line platform 15 05 2024(1)LN9267 · CC BY-SA 4.0
9083 SBS Transit Downtown Line at Tampines Station Downtown Line platform 15 05 2024(3)LN9267 · CC BY-SA 4.0

Around this block

The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.

Condos nearby

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Ask anything about this block

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Data: HDB resale transactions via data.gov.sg (updated weekly), OneMap. Prices are the official resale record - not estimates, not listings.
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Data: URA, HDB & SingStat (via data.gov.sg), OneMap © SLA, LTA DataMall, MOE - used under the Singapore Open Data Licence.